British cave diver Vern Unsworth (centre) walks next to a Thai soldier and policemen during the rescue operations for the Wild Boars soccer team at the Tham Luang cave in Thailand on June 30. Photo: EPA

British cave diver Vern Unsworth (centre) walks next to a Thai soldier and policemen during the rescue operations for the Wild Boars soccer team at the Tham Luang cave in Thailand on June 30. Photo: EPA